These paper a wide variety but basically for the above categories, similar paper also has a different weight level

General purpose: fine boxed box paper, book cover and even inside pages, tag, business cards and so on

8. corrugated

Corrugated by the tissue paper, core paper and paper composition for the packaging to increase the buffer, so that the product inside is better protected.

By the number of layers of paper: three corrugated, five corrugated and so on

By the core wave wave points: followed by A type, B type, E type, F type, A type of wave maximum, F type is the smallest and most closely.

Small cartons are usually used E-type F-type corrugated, large cartons are usually used E-type B-type corrugated;

Small cartons are usually used B-type corrugated, large cartons are usually used A + B-type five corrugated

Corrugated paper with yellow and white, core paper and inside can also be done according to different thickness.

9. Double gray board

The double gray board is completely pressed from the waste paper pulp, is completely gray, not suitable for printing only to support the amount of weight. Stiffness is much better than the corrugated, generally used for book shell, small fine mounted box